Home / 71,178,633,188.80-106,767,949,783.20-18,839,111,243.20

Finding the Fourth Proportional to 71,178,633,188.80, 106,767,949,783.20 and 18,839,111,243.20

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Solution

The fourth proportional to 71,178,633,188.80, 106,767,949,783.20 and 18,839,111,243.20 is: 28,258,666,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,178,633,188.80 : 106,767,949,783.20 = 18,839,111,243.20 : x
  2. Step 2: Convert to fraction form
    71,178,633,188.80/106,767,949,783.20 = 18,839,111,243.20/x
  3. Step 3: Cross multiply
    71,178,633,188.80x = 106,767,949,783.20 × 18,839,111,243.20
  4. Step 4: Simplify right side
    71,178,633,188.80x = 2,011,413,283,174,096,044,032
  5. Step 5: Solve for x
    x = 2,011,413,283,174,096,044,032/71,178,633,188.80
  6. Step 6: Final answer
    x = 28,258,666,864.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.